CVE-2024-2494

What it is

A flaw was found in the RPC library APIs of libvirt. The RPC server deserialization code allocates memory for arrays before the non-negative length check is performed by the C API entry points. Passing a negative length to the g_new0 function results in a crash due to the negative length being treated as a huge positive number. This flaw allows a local, unprivileged user to perform a denial of service attack by causing the libvirt daemon to crash.

At a glance

Exploitability

Can be exploited locally on the machine without logging in. High risk of service disruption.

Exploit odds

0.4% chance of exploitation in the next 30 days (EPSS).

Fix

No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

1. 2024-03-21 14:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-11-05 13:17 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 0.4% in the next 30 days (EPSS).
• Severity: 6.2 MEDIUM (CVSS).
• Fix: none linked yet, which raises it.

Details

Published

2024-03-21 14:15 UTC

Last modified

2026-11-05 13:17 UTC

Exploit probability

0.4% · EPSS, next 30 days

Weakness

CWE-789

Record status

Deferred

Attack profile CVSS 3.1 · 6.2

Attack vector

Local

Complexity

Low

Privileges needed

None

User interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2024-2494.md and follow it. Check whether this project is affected by CVE-2024-2494. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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